TM 3-4230-218-30&P
(2) Cleaning.
(a) Using a varnish brush (item 1, Appendix C) remove
as much carbon as possible from the piston, cylinder and
cylinder head.
WARNING
The cleaning solvent used emits strong vapors and is flammable.
To avoid
illness or fire, use in a well-ventilated area and away from open flames. DO
NOT breathe vapors for a prolonged time.
(b) Clean all parts with cleaning solvent (item 5, Appendix
C) using a varnish brush (item 1, Appendix C).
(c) Allow all parts to dry.
(3) Inspection.
(a)
(b)
(c)
(d)
(e)
(f)
Inspect cylinder head for cracks, burrs, nicks, broken
fins, flatness, stripped spark plug threads, elongated
mounting holes, and corrosion.
Discard if defective.
Inspect cylinder for cracks, scoring, broken fins, bent,
stripped or broken studs, deformed mounting holes, and
stripped pipe (intake manifold) mounting hole threads.
Discard cylinder if defective.
Using an inside micrometer or telescoping gage and micro-
eter,
measure cylinder bore diameter in area of piston
ring travel (about 1 inch below top of cylinder). If
cylinder diameter is greater than 66.019mm (2 .599 in.)
replace cylinder.
Inspect piston for cracks, broken skirt, deformed wrist
pin holes, deformed ring grooves hole, holes. Discard
piston if defective.
Inspect wrist pin for scratches, burrs, cracks, and scor-
ing.
Discard wrist pin if defective.
Inspect pipe (intake manifold) for cracks, deformed mount-
ing holes, and corrosion.
Discard if defective.
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